/* main.css — layout & components */
* { box-sizing: border-box; }
/* `hidden` must win over component display rules (e.g. .control-row{display:flex}) */
[hidden] { display: none !important; }
html, body { height: 100%; margin: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

button, input, select { font-family: inherit; color: inherit; }

/* ---------- top bar ---------- */
.topbar {
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 30;
  gap: 12px;
}
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 6px; }
.topbar-center { display: flex; gap: 4px; position: absolute; left: 50%; transform: translateX(-50%); }

.brand { display: flex; align-items: center; gap: 8px; text-decoration: none; color: var(--text); font-weight: 700; }
.brand-mark { flex-shrink: 0; }
.brand-name { letter-spacing: 0.3px; font-size: 16px; }

.tab {
  background: transparent;
  border: 0;
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  color: var(--text-soft);
  font-size: 14px;
  font-weight: 500;
  transition: background .15s, color .15s;
}
.tab:hover { color: var(--text); background: var(--panel-2); }
.tab.active { background: var(--primary); color: #fff; }

.icon-btn {
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent; border: 0; border-radius: 8px;
  cursor: pointer; color: var(--text-soft);
  transition: background .15s, color .15s;
}
.icon-btn:hover { background: var(--panel-2); color: var(--text); }

.lang-switch { position: relative; }
.lang-btn {
  display: inline-flex; align-items: center; gap: 6px;
  height: 36px; padding: 0 10px;
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 8px; cursor: pointer; font-size: 13px; color: var(--text);
}
.lang-btn:hover { border-color: var(--border-strong); }
.lang-menu {
  position: absolute; top: 42px; right: 0;
  min-width: 180px; margin: 0; padding: 6px;
  list-style: none;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 12px; box-shadow: var(--shadow-lg);
  z-index: 50;
}
.lang-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: 8px; cursor: pointer; font-size: 14px;
}
.lang-item:hover { background: var(--panel-2); }
.lang-item.active { background: var(--primary-soft); color: var(--primary); }
.lang-flag { font-size: 11px; font-weight: 700; letter-spacing: .5px; color: var(--text-dim); }

/* theme toggle: show sun in light, moon in dark */
.icon-sun { display: none; }
.icon-moon { display: block; }
[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }

/* ---------- sidebar ---------- */
.sidebar {
  position: absolute;
  top: var(--topbar-h);
  left: 0; bottom: var(--actionbar-h);
  width: var(--sidebar-w);
  background: var(--panel);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 12px 14px 24px;
  z-index: 20;
}
.sidebar-section { margin-bottom: 18px; }
.sidebar-title {
  margin: 0 0 8px;
  font-size: 12px; font-weight: 600; letter-spacing: .6px; text-transform: uppercase;
  color: var(--text-soft);
}

.layout-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.layout-cell {
  aspect-ratio: 1 / 1;
  background: var(--panel-2);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  cursor: pointer; padding: 6px;
  display: flex; align-items: center; justify-content: center;
  transition: border-color .15s, background .15s, transform .1s;
}
.layout-cell:hover { border-color: var(--primary); }
.layout-cell:active { transform: scale(.96); }
.layout-cell.active { border-color: var(--primary); background: var(--primary-soft); }
.layout-cell svg rect { fill: var(--border-strong); }
.layout-cell.active svg rect { fill: var(--primary); }

.select {
  width: 100%;
  height: 36px; padding: 0 10px;
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 8px; font-size: 13px; cursor: pointer;
}
.size-custom { display: flex; gap: 8px; margin-top: 8px; }
.size-custom label { flex: 1; display: flex; flex-direction: column; gap: 2px; font-size: 11px; color: var(--text-soft); }
.size-custom input {
  height: 30px; padding: 0 8px;
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 6px; font-size: 13px;
}

.control-row {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 8px; font-size: 13px;
}
.control-label { flex: 0 0 56px; color: var(--text-soft); }
.control-row input[type="range"] { flex: 1; accent-color: var(--primary); }
.control-value { flex: 0 0 32px; text-align: right; color: var(--text-soft); font-variant-numeric: tabular-nums; }
.color-row { display: flex; gap: 6px; align-items: center; flex: 1; }
input[type="color"] {
  width: 36px; height: 30px; padding: 0; border: 1px solid var(--border);
  border-radius: 6px; background: var(--panel-2); cursor: pointer;
}
.chip {
  height: 28px; padding: 0 10px;
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 999px; font-size: 12px; cursor: pointer; color: var(--text-soft);
}
.chip:hover { color: var(--text); }

.tool-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; }
.tool-btn {
  height: 36px;
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 8px; cursor: pointer; font-size: 13px; color: var(--text);
  display: inline-flex; align-items: center; justify-content: center; gap: 4px;
}
.tool-btn:hover { border-color: var(--border-strong); }
.tool-btn.active { border-color: var(--primary); background: var(--primary-soft); color: var(--primary); }
.tool-btn:disabled { opacity: .4; cursor: not-allowed; }

#annoStyle { margin-top: 8px; }
#annoStyle .control-row { margin-bottom: 0; }

/* ---------- stage ---------- */
.stage {
  position: absolute;
  top: var(--topbar-h); left: var(--sidebar-w);
  right: 0; bottom: var(--actionbar-h);
  overflow: auto;
  background:
    linear-gradient(45deg, var(--bg) 25%, transparent 25%, transparent 75%, var(--bg) 75%),
    linear-gradient(45deg, var(--bg) 25%, var(--panel) 25%, var(--panel) 75%, var(--bg) 75%);
  background-size: 24px 24px;
  background-position: 0 0, 12px 12px;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.stage-inner {
  position: relative;
  max-width: 100%; max-height: 100%;
  display: flex; align-items: center; justify-content: center;
}
#mosaic {
  max-width: 100%; max-height: calc(100vh - var(--topbar-h) - var(--actionbar-h) - 48px);
  height: auto; width: auto;
  background: var(--panel);
  box-shadow: var(--shadow-lg);
  border-radius: 4px;
  touch-action: none;
  display: block;
}

.dropzone {
  width: min(560px, 80vw);
  min-height: 360px;
  border: 2px dashed var(--border-strong);
  border-radius: 16px;
  background: var(--panel);
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  transition: border-color .15s, background .15s, transform .15s;
}
.dropzone.is-dragover {
  border-color: var(--primary);
  background: var(--primary-soft);
  transform: scale(1.01);
}
.dropzone-inner { padding: 32px; color: var(--text-soft); }
.dropzone-inner svg { color: var(--text-dim); margin-bottom: 8px; }
/* the real page <h1> — localized and rendered server-side per language */
.dz-h1 {
  margin: 8px 0 2px;
  font-size: 20px; font-weight: 700; line-height: 1.3;
  letter-spacing: -0.2px; color: var(--text);
}
.dropzone-title { margin: 4px 0; font-size: 16px; font-weight: 600; color: var(--text); }
.dropzone-sub { margin: 4px 0 16px; font-size: 13px; }

.btn-primary {
  height: 38px; padding: 0 18px;
  background: var(--primary); color: #fff;
  border: 0; border-radius: 10px; font-size: 14px; font-weight: 600;
  cursor: pointer; transition: background .15s, transform .1s;
}
.btn-primary:hover { background: var(--primary-hover); }
.btn-primary:active { transform: scale(.97); }
.btn-ghost {
  height: 38px; padding: 0 18px;
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 10px; font-size: 14px; font-weight: 500;
  cursor: pointer;
}
.btn-ghost:hover { border-color: var(--border-strong); }

.hint-bar {
  position: absolute; left: 50%; bottom: 12px; transform: translateX(-50%);
  background: var(--panel); border: 1px solid var(--border);
  padding: 6px 12px; border-radius: 999px; font-size: 12px; color: var(--text-soft);
  box-shadow: var(--shadow); max-width: 90%; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  pointer-events: none;
  opacity: .9;
}

/* ---------- action bar ---------- */
.actionbar {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: var(--actionbar-h);
  background: var(--panel);
  border-top: 1px solid var(--border);
  display: flex; align-items: center; gap: 8px;
  padding: 0 16px;
  z-index: 25;
}
.action-btn {
  display: inline-flex; align-items: center; gap: 6px;
  height: 40px; padding: 0 14px;
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 10px; cursor: pointer; font-size: 14px; color: var(--text);
}
.action-btn:hover { border-color: var(--border-strong); }
.action-btn.primary {
  background: var(--primary); color: #fff; border-color: var(--primary);
}
.action-btn.primary:hover { background: var(--primary-hover); }
.action-spacer { flex: 1; }

/* ---------- modal ---------- */
.modal { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; }
.modal[hidden] { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(10, 10, 20, 0.5); backdrop-filter: blur(2px); opacity: 0; transition: opacity .2s; }
.modal.show .modal-backdrop { opacity: 1; }
.modal-panel {
  position: relative; width: min(420px, 92vw);
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 16px; padding: 20px;
  box-shadow: var(--shadow-lg);
  transform: translateY(12px); opacity: 0; transition: transform .2s, opacity .2s;
}
.modal.show .modal-panel { transform: translateY(0); opacity: 1; }
.modal-title { margin: 0 0 16px; font-size: 16px; font-weight: 600; }
.form-row { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; font-size: 13px; }
.form-row > label:first-child { flex: 0 0 84px; color: var(--text-soft); }
.form-row input[type="range"] { flex: 1; accent-color: var(--primary); }
.seg { display: inline-flex; background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px; padding: 2px; gap: 2px; }
.seg-btn {
  border: 0; background: transparent; padding: 6px 12px; border-radius: 6px;
  cursor: pointer; font-size: 13px; color: var(--text-soft);
}
.seg-btn.active { background: var(--primary); color: #fff; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }

/* ---------- toast ---------- */
.toast {
  position: fixed; bottom: calc(var(--actionbar-h) + 16px); left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(20, 20, 35, 0.92); color: #fff;
  padding: 10px 16px; border-radius: 999px; font-size: 13px;
  box-shadow: var(--shadow-lg); z-index: 200;
  opacity: 0; transition: opacity .2s, transform .2s;
  max-width: 90vw; text-align: center;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
[data-theme="dark"] .toast { background: rgba(40, 42, 60, 0.95); }

/* ---------- scrollbar ---------- */
.sidebar::-webkit-scrollbar, .stage::-webkit-scrollbar { width: 8px; height: 8px; }
.sidebar::-webkit-scrollbar-thumb, .stage::-webkit-scrollbar-thumb {
  background: var(--border-strong); border-radius: 4px;
}
.sidebar::-webkit-scrollbar-thumb:hover, .stage::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* menu toggle hidden on desktop */
.menu-toggle { display: none; }

/* ==========================================================================
   Trust & privacy
   ========================================================================== */

/* --- always-visible trust pill + live status dot --- */
.trust-pill {
  display: inline-flex; align-items: center; gap: 6px;
  height: 36px; padding: 0 11px;
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 999px; cursor: pointer;
  font-size: 12px; font-weight: 600; color: var(--text-soft);
  transition: border-color .15s, color .15s, background .15s;
}
.trust-pill:hover { border-color: var(--accent); color: var(--text); }
.trust-pill > svg { color: var(--accent); }
.trust-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--text-dim); flex-shrink: 0;
  transition: background .2s, box-shadow .2s;
}
.trust-pill[data-state="ready"] .trust-dot { background: var(--accent); box-shadow: 0 0 0 3px rgba(34, 195, 154, .18); }
.trust-pill[data-state="online"] .trust-dot { background: var(--primary); box-shadow: 0 0 0 3px rgba(124, 92, 255, .16); }
.trust-pill[data-state="offline"] .trust-dot { background: var(--warn); box-shadow: 0 0 0 3px rgba(255, 176, 32, .2); }

/* --- three-promise strip inside the dropzone --- */
.privacy-strip {
  list-style: none; display: flex; flex-wrap: wrap; justify-content: center;
  gap: 6px 8px; margin: 18px 0 10px; padding: 0;
}
.privacy-strip li {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 10px; border-radius: 999px;
  background: var(--panel-2); border: 1px solid var(--border);
  font-size: 12px; color: var(--text-soft);
}
.privacy-strip li svg { color: var(--accent); flex-shrink: 0; }
.privacy-note { margin: 0 0 6px; font-size: 12px; color: var(--text-dim); }

.link-btn {
  display: inline-block;
  background: none; border: 0; padding: 0;
  color: var(--primary); font-size: 12px; font-weight: 600;
  cursor: pointer; text-decoration: none;
}
.link-btn:hover { color: var(--primary-hover); text-decoration: underline; text-underline-offset: 2px; }

/* --- sidebar footer --- */
.sidebar-foot {
  border-top: 1px solid var(--border);
  padding-top: 12px; margin-top: 4px;
  display: flex; flex-direction: column; gap: 8px;
}
.sidebar-foot .foot-row { display: flex; gap: 14px; }
.sidebar-foot .ver { font-size: 11px; color: var(--text-dim); }

/* --- privacy modal --- */
.privacy-panel { width: min(620px, 94vw); max-height: 88vh; overflow-y: auto; }
.modal-x {
  position: absolute; top: 10px; right: 10px;
  width: 34px; height: 34px; border: 0; border-radius: 9px;
  background: transparent; color: var(--text-soft);
  font-size: 22px; line-height: 1; cursor: pointer;
}
.modal-x:hover { background: var(--panel-2); color: var(--text); }
.privacy-intro { margin: 0 0 16px; font-size: 13.5px; line-height: 1.65; color: var(--text-soft); }

.promise-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 10px; }
.promise-card {
  display: flex; gap: 10px; padding: 12px;
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 12px;
}
.promise-card.wide { margin-bottom: 12px; }
.promise-ico {
  flex: 0 0 34px; width: 34px; height: 34px; border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--primary-soft); color: var(--primary);
}
.promise-card h4 { margin: 0 0 4px; font-size: 13.5px; color: var(--text); }
.promise-card p { margin: 0; font-size: 12px; line-height: 1.6; color: var(--text-soft); }

/* --- network self-check --- */
.netcheck {
  padding: 14px; border: 1px solid var(--border); border-radius: 12px;
  background: var(--panel-2);
}
.netcheck-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.netcheck-head h4 { margin: 0; font-size: 13.5px; }
.pv-state {
  font-size: 11px; font-weight: 600; padding: 3px 9px; border-radius: 999px;
  background: var(--panel); border: 1px solid var(--border); color: var(--text-soft);
  white-space: nowrap;
}
.pv-state[data-state="ready"] { color: var(--accent); border-color: var(--accent); }
.pv-state[data-state="offline"] { color: var(--warn); border-color: var(--warn); }
.pv-state[data-state="online"] { color: var(--primary); border-color: var(--primary); }
.netcheck-desc { margin: 6px 0 10px; font-size: 12px; line-height: 1.55; color: var(--text-soft); }
.netcheck-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.stat {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 8px 6px; text-align: center;
}
.stat-num {
  display: block; font-size: 20px; font-weight: 700; line-height: 1.2;
  font-variant-numeric: tabular-nums; color: var(--text);
}
.stat[data-state="ok"] .stat-num { color: var(--accent); }
.stat[data-state="warn"] .stat-num { color: var(--warn); }
.stat-lbl { display: block; font-size: 11px; color: var(--text-soft); margin-top: 2px; }
.netcheck-status { margin: 10px 0 0; font-size: 12px; font-weight: 600; line-height: 1.5; color: var(--text-soft); }
.netcheck-status[data-state="ok"] { color: var(--accent); }
.netcheck-status[data-state="warn"] { color: var(--warn); }
.netcheck-actions { display: flex; align-items: center; gap: 10px; margin-top: 10px; flex-wrap: wrap; }
.netcheck-origin { font-size: 11px; color: var(--text-dim); }

/* --- no-trace wipe --- */
.pv-clear { margin-top: 12px; padding: 14px; border: 1px solid var(--border); border-radius: 12px; }
.pv-clear h4 { margin: 0 0 4px; font-size: 13.5px; }
.pv-clear p { margin: 0 0 10px; font-size: 12px; line-height: 1.55; color: var(--text-soft); }
.danger-btn {
  height: 36px; padding: 0 14px; border-radius: 10px;
  border: 1px solid var(--danger); background: transparent;
  color: var(--danger); font-size: 13px; font-weight: 600; cursor: pointer;
  transition: background .15s, color .15s;
}
.danger-btn:hover { background: var(--danger); color: #fff; }
.privacy-more { margin: 12px 0 0; text-align: center; }

/* ==========================================================================
   Standalone doc pages (privacy.html)
   ========================================================================== */
.doc-body { overflow: auto; }
.doc { max-width: 880px; margin: 0 auto; padding: 28px 20px 64px; }
.doc-title { margin: 0 0 12px; font-size: 24px; line-height: 1.3; }
.doc-back { white-space: nowrap; margin-right: 6px; }
.doc-lang { width: auto; min-width: 152px; }
.doc-grid { grid-template-columns: repeat(2, 1fr); }
.doc-card { padding: 16px; }
.doc-card p { font-size: 12.5px; }
.doc-clear { margin-top: 16px; }
.doc-foot { margin: 28px 0 0; font-size: 12px; color: var(--text-dim); text-align: center; }